Besides the XY system, are there other sex determination systems?

Expert Solution

in animal there are 5 systems of sex determinations tha are:

1) XY sex determination system - this system is more common in mammals where XX is female and XY is male.

2) XO sex determination system - in this system, Y chromosome is absent and found in animals like grasshoppers where XX is female and XO is male.

3)ZW sex determination system - in this system, chromosome X and Y switched to Z and W. Z chromosome is same as X chromosome i.e. larger than other chromosome. it is found in animals like birds where ZW would be female and ZZ would be male

4) haplodiploidy sex determination system - in this system, when egg is fertilised, then diploid organism is formed that will become female and organism that become haploid due to unfertilised egg it will become male. found in animals like ants.

5) environmemntally dependent sex determination system - in this system, determination of sex depends on temperature. at higher temperature, developement is faster and female will develope. in colder temperature, developement is slower and male will develope.

gladiator answered 2 years ago

Sex Determination in Plants

What is Sex determination? How can we determine the sex in Plants?

Sex Determination in humans

What is Sex determination? How can we determine the sex in humans?

Environmental factors such as exogenous hormones and temperature-dependent sex determination can cause sex ratios to diverge...

Environmental factors such as exogenous hormones and temperature-dependent sex determination can cause sex ratios to diverge from 1:1. Research a scenario that causes a sex ratio to diverge from 1:1?

Please answer both the parts of the answer. Sex determination in Drosophila is determined by the...

Please answer both the parts of the answer. Sex determination in Drosophila is determined by the ratio of X chromosomes to autosomes (X to A ratio) and relies on the cascade of alternatively spliced factors, some of which are themselves regulators of alternative splicing. The splicing regulator Sxl resides at the top of this cascade. Whether active Sxl protein will be present or not is determined by the X to A ratio of an organism. If the ratio of X...

Developmental Biology class: Compare and Contrast Sex Determination in Mammals to that of Drosophila

How do diseases of the urinary system affect other body systems?

Discuss the interconnections of the cardiovascular system with each of the other major body systems introduced...

Discuss the interconnections of the cardiovascular system with each of the other major body systems introduced in Chapter One. Give specific examples of these interactions and explain their effect on homeostatic balance.

What is the primary body system that Appendicitis affects? Are there other systems affected? If so,...

What is the primary body system that Appendicitis affects? Are there other systems affected? If so, which ones? What places him/her at risk for the disease? What are the patient’s symptoms? (Hint: These are what patient experiences) What are the patient’s signs? (Hint: These are observable from everyone else) What are the treatments for this disease? Name three (3) other diseases that affect the same body system.

What different transcription factors take on different functional forms in sex determination of fruit flies?

Sex determination in Mammals. You have identified a gene that you have named “mont1” (for ‘make...

Sex determination in Mammals. You have identified a gene that you have named “mont1” (for ‘make ovaries not testes’) that is expressed at the time when the bipotential gonad becomes specified to become an ovary. Because of this “show it” evidence that mont1 is expressed in the right place at the right time, you hypothesize that mont1 is a critical regulator of the female primary sex determination pathway to specify ovary development. From what you know about the primary sex...

Question